<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<input type="text" placeholder="请输入1-100之间的整数" id="i1">
<input type="button" value="猜一猜" onclick="f()">
<div></div>
<script>
    let x=parseInt(Math.random()*100)+1;
    let count=0;
    function f() {
        count++;
        let i=document.querySelector("#i1");
        let d=document.querySelector("div");
        if(i.value>x){
            d.innerText="猜大了"
        }else if(i.value<x){
            d.innerText="猜小了"
        }else {
            d.innerText="恭喜你第"+count+"次猜对了!"
        }
    }
</script>
</body>
</html>